981306448 has 20 divisors (see below), whose sum is σ = 1937156148. Its totient is φ = 481395200.

The previous prime is 981306439. The next prime is 981306463. The reversal of 981306448 is 844603189.

981306448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 248629824 + 732676624 = 15768^2 + 27068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577753 + ... + 579448.

Almost surely, 2^981306448 is an apocalyptic number.

It is an amenable number.

981306448 is a deficient number, since it is larger than the sum of its proper divisors (955849700).

981306448 is a wasteful number, since it uses less digits than its factorization.

981306448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157262 (or 1157256 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 981306448 is about 31325.8112105656. The cubic root of 981306448 is about 993.7295800137.

The spelling of 981306448 in words is "nine hundred eighty-one million, three hundred six thousand, four hundred forty-eight".